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Why does anyone dryline?

  • 20-03-2013 10:43pm
    #1
    tea and coffee
    Registered Users, Registered Users 2 Posts: 1,843 ✭✭✭


    Or do only mad, crazy people do it? Practically every post I read on drylining derogates it citing it for interstitial condensation and causes of mould and rot. :P
    Is it basically just an outmoded practise being updated unsuccessfully for the 21st century?
    Discuss!:cool:


Comments

  • #2
    sinnerboy
    Closed Accounts Posts: 5,433 ✭✭✭sinnerboy


    1.67 w/m2k U Value of 215mm hollow block plastered not insulated
    0.44 w/m2 U Value with the addition of 38mm internal insulation

    2.18 w/m2k U Value of 215mm solid block plastered not insulated
    0.47 w/m2 U Value with the addition of 38mm internal insulation

    Dry lining is relatively cheap and results in a massive improvement in the thermal performance of an external wall.

    For certain historic structures with no cavity to fill together with a characterful elevation dry lining will be the only option.

    But for new builds - I can't justify it , not in attempting to reach the onerous U Values required.


  • #3
    sinnerboy
    Closed Accounts Posts: 5,433 ✭✭✭sinnerboy


    Another advantage if money is very tight is that you pick one room at a time to upgrade. For many , needs must.


  • #4
    leinsterdude
    Registered Users, Registered Users 2 Posts: 523 ✭✭✭leinsterdude


    great for hanging pictures...


  • #5
    sinnerboy
    Closed Accounts Posts: 5,433 ✭✭✭sinnerboy


    It is best to pre plan "hard spots" when dry lining by including preservative treated timber grounds with the insattlation. Alternatively grounds can be implanted afterwards.


  • #6
    snowstreams
    Registered Users, Registered Users 2 Posts: 1,326 ✭✭✭snowstreams


    Im hoping to start a new build soon. I see that our engineer has put 125mm insulation into our cavity but he also has 50mm of drylining on the external walls.
    I saw a few comments in here saying that it can be dangerous to have insulation as two separate layers, why could that be? where are the threads saying this?
    Should i get onto my engineer to remove the drylining from the walls so?


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  • #7
    sinnerboy
    Closed Accounts Posts: 5,433 ✭✭✭sinnerboy


    snowstreams wrote: »
    where are the threads saying this?

    example here


  • #8
    beyondpassive
    Registered Users, Registered Users 2 Posts: 558 ✭✭✭beyondpassive


    snowstreams wrote: »
    I see that our engineer.....

    Thats where you're going wrong.


  • #9
    DOCARCH
    Moderators, Home & Garden Moderators, Science, Health & Environment Moderators Posts: 18,446 Mod ✭✭✭✭DOCARCH


    snowstreams wrote: »
    Should i get onto my engineer to remove the drylining from the walls so?

    I would suggest yes and widen your cavity.


  • #10
    snowstreams
    Registered Users, Registered Users 2 Posts: 1,326 ✭✭✭snowstreams


    DOCARCH wrote: »

    I would suggest yes and widen your cavity.

    I'll say it to him tommorrow. He is meeting my builder tommorrow so I hope it's not too late to change the plan, & that widening the cavity won't cause much structural changes.


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